Regular Smog Check
STAR Smog Station
Smog Check Repair
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Smog Check & Emissions Questions and Answers
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High NO
Question
Answered
1994 Dodge Dakota 4 cyl 2.5 liters high NO, what would cause this?
by
Frankie
Yes (1)
1979 Chevy Monte Carlo failed to due to high NO (NOx).
by
fernando
Yes (1)
92 Toyota Camry failed smog test due to ignition timing and high CO.
by
anthony
Yes (1)
1993 Totoya Camry failed smog test for high HC. Car has high mileage.
by
max
Yes (1)
1987 Mercury Sable 3.0 6 cylinder engine failed smog test for high NO.
by
Terraine
Yes (1)
My 2000 Toyota 4Runner failed the smog test because of high NO, everything else passed.
by
Ralph
Yes (1)
1977 Chevy Impala 350ci failed smog check tech says CO2 and O2 too high
by
Dan
Yes (1)
1995 Chevrolet Camaro Z28 failed smog test for high NO (PPM) why?
by
Armando
Yes (1)
My 1982 GMC Chevy Lazy Dase motorhome failed the EVAP test during a smog check pre-test.
by
James
Yes (1)
1990 Chevy Corvette failed smog test for high NOx for the first time since new!
by
tal
Yes (1)
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